diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index ecc3536b1e..ab3adff464 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -159,7 +159,7 @@ if ( $authors && count( $authors ) > 1 ) :
 
 <fieldset id="tagdiv">
 	<legend><?php _e('Tags (separate multiple tags with commas: cats, pet food, dogs)'); ?></legend>
-	<div><input type="text" name="tags_input" id="tags-input" size="30" tabindex="3" value="<?php echo get_tags_to_edit( $post_ID ); ?>" /></div>
+	<div><input type="text" name="tags_input" class="tags-input" id="tags-input" size="30" tabindex="3" value="<?php echo get_tags_to_edit( $post_ID ); ?>" /></div>
 </fieldset>
 
 <p class="submit">